[CentOS] alias ip-addresses at loopback

Dmitry Cherkasov doctorchd at gmail.com
Mon Sep 15 13:38:41 UTC 2008

2008/9/15 Robert Moskowitz <rgm at htt-consult.com>:
>> Could anybody advice on the following problem.
>> I need to assign several ip-addresses to 'lo' interface (beside
>> It is convenient to me to implement NAT with such
>> addresses.
>> I can easily assign these addresses on running system with 'ip address
>> add <some addr/prefix> dev lo'. Yet I cannot understand how to make
>> these settings apply on boot time. Certainly it is possible to patch
>> standard system scripts like /etc/rc.d/init.d/network, but I suppose
>> there must be more straight way to do this.
> This is well enough explained in
> /usr/share/doc/initscripts-8.45.19.EL/sysconfig.txt
> In /etc/sysconfig/network-scripts you need to create a file: ifcfg-l0:1
> where all you really need is the ipaddr and netmask values.

This works fine for 'eth' and does not work for 'lo'.

Dmitry Cherkasov

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